Bug 2213126
| Summary: | OVN security group logging - burst limit unexpected value | ||
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| Product: | Red Hat OpenStack | Reporter: | Eran Kuris <ekuris> |
| Component: | openstack-neutron | Assignee: | Elvira <egarciar> |
| Status: | ASSIGNED --- | QA Contact: | Maor <mblue> |
| Severity: | medium | Docs Contact: | |
| Priority: | high | ||
| Version: | 17.1 (Wallaby) | CC: | apevec, chrisw, ctrautma, egarciar, ekuris, gthiemon, jamsmith, jiji, jishi, lhh, majopela, mblue, ovnteam, pgrist, scohen, twilson |
| Target Milestone: | z1 | Keywords: | Triaged |
| Target Release: | 17.1 | Flags: | mblue:
needinfo?
(jamsmith) |
| Hardware: | x86_64 | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Known Issue | |
| Doc Text: |
The logging queue that buffers excess security group log entries sometimes stops accepting entries before the specified limit is reached. As a workaround, you can set the queue length higher than the number of entries you want it to hold.
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You can set the maximum number of log entries per second with the parameter `NeutronOVNLoggingRateLimit`. If the log entry creation exceeds that rate, the excess is buffered in a queue up to the number of log entries that you specify in `NeutronOVNLoggingBurstLimit`.
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The issue is especially evident in the first second of a burst. In longer bursts, such as 60 seconds, the rate limit is more influential and compensates for burst limit inaccuracy. Thus, the issue has the greatest proportional effect in short bursts.
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Workaround: Set `NeutronOVNLoggingBurstLimit` at a higher value than the target value. Observe and adjust as needed.
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Story Points: | --- |
| Clone Of: | 2212952 | Environment: | |
| Last Closed: | Type: | --- | |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
| Bug Depends On: | 2212952 | ||
| Bug Blocks: | 1619266 | ||